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我一周或两周前买了一台8720D VNA,但直到今天才得到一套正确的测试线。
当我试图在仪器的右侧安装一根测试导线时,它就不会配对。 当我用手指仔细检查时,我可以确定测试端口上的线被损坏 - 参见附图。 究竟需要替换什么? 更换后是否需要重新校准 - 我预计会更换。 部件仍然可用吗? 我从美国买了这个,但住在英国,所以来回运送到美国并不是很便宜。 它会更有意义地在英国修复它。 戴夫 以上来自于谷歌翻译 以下为原文 I bought an 8720D VNA a week or two ago, but did not get a set of the correct test leads until today. When I tried to mount one of the test leads on the right hand side of the instrument, it would not mate. When I inspected it carefully with my finger, I could determine the thread was damaged on the test port - see the attached picture. What exactly needs replacing here? Will it require a recalibraton after replacement - I expect it will. Are the parts still available? I bought this from the USA, but live in the UK, so shipping it back and forth to the USA is not exactly cheap. It would make more sence to get it fixed in the UK. Dave 附件
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7个回答
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戴夫,应更换连接器外壳。
但是,您不能轻易地更换连接器外壳。 更换后的连接器需要进行机械规格测试,以确保其具有适当的引脚深度规格。 大多数情况下,在将任何电缆,适配器和特别是校准标准配对到该端口之前,需要额外的部件来确保端口连接器符合这些规范。 如果端口不好,它将损坏连接到它的任何东西。 您购买此产品的供应商应在保修期内对其进行维修。 其中包括运费。 以上来自于谷歌翻译 以下为原文 Dave, The connector housing should be replaced. However, you can not just change out the connector housing easily. The connector once replaced requires a mechanical specifications test to ensure is it of proper pin depth specification. Most times additional parts are required to ensure the port connector meets these specifications before you mate any cable, adapter and especially calibration standard to that port. If the port is bad, it will damage whatever is connected to it. The vendor you purchased this from should repair this under warranty. Which includes the shipping. |
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但是,外螺纹仅在连接NMD型电缆时使用。 您可以将内螺纹与任何SMA或3.5 mm母连接器一起使用,这样该单元仍然可以使用。 你也可以尝试修复螺纹,也许是通过磨掉(dremel工具)毛刺。 在这种情况下不需要连续的线程。 如果您尝试这样做以避免在物体中磨损金属,我将覆盖仪器的其余部分并覆盖测试端口。 以上来自于谷歌翻译 以下为原文 however, the outter thread is only used when connecting to NMD type cables. You can use the inner thread with any SMA or 3.5 mm female connector, so that unit could still be usable. You coul also try to repair the thread, perhaps by griding off (dremel tool) the burr. continous thread is not need in this case. I'd cover the rest of the instrument and tape over the test port if you try this to avoid getting ground up metal in things. |
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脑洞大赛9 发表于 2019-6-12 13:34 正如Dr_jole所说,这将安装3.5毫米连接器。 事实上,这就是我今天使用它的方式 - 我买了一些Huber和Shuner母对母连接器,然后用SMA公插头测试引线。 但是,为VNA支付了160000美元,为测试引线支付了1325美元,我显然非常希望设置工作正常。 很明显,该单元是可用的,但我希望能够使用正确的测试引线 - 特别是当我刚购买它们时。 如果我有这么长时间,我会尝试通过尝试清理线程来自行修复它。 但我并不那么热衷于我刚刚为此付出了很多钱。 它确实有7天的拒绝权和30天的保修期,所以我希望这将在保修范围内,因为我已经超过7天,但不到30天。 这是由Techmaster Electronics在美国于7月27日校准的。 如果无法安装正确的电缆,我会想知道它们是如何校准的。 事实上,在cal证书上它说*收到的条件:客户注意到的问题* *特别说明或要求:重建和添加选项010。*所以我不确定“重建”是什么,但显然这里存在问题。 感谢dhamilton与你的关于针深度的评论。 我将尝试确定谁将解决这个问题,以及他们的能力如何。 是否可以使用连接器测量仪测量引脚深度,或者在此测试端口上是否需要其他东西? 事实上,线程上有几个标记,但显示的是最严重的标记。 有谁知道该线程的类型? 潜在地运行它可以解决它,但我会告诉经销商。 从池塘的另一侧购买大件昂贵物品的问题之一是何时出现问题。 但这大约是我可以从英国购买的成本的55%。 节省的费用非常可观。 由于海关费用,这可能会变得非常复杂。 戴夫 以上来自于谷歌翻译 以下为原文 As Dr_jole says, this will mount with a 3.5 mm connector. In fact, that is how I have used it until today - I bought some Huber and Shuner female to female connectors, then test leads with SMA male plugs. But having paid $160000 for the VNA and $1325 for the test leads, I'm obviously keen the setup works as it should. So clearly the unit is usable, but I'd like to be able to use the right test leads - especially as I have just bought them. If I'd had this a long time, I would try to repair it myself by trying to clean up the thread. But I'm not so keen on something I have just paid a lot of money for. It did have a 7-day right of refusal and a 30-day warranty, so I'm hoping this will be covered under the warranty, as I've had it more than 7 days, but less than 30 days. This was calibrated on 27th July by Techmaster Electronics in the USA. It makes me wonder how they calibrate it, if the correct cables can't be fitted. In fact, on the cal certificate it says *Condition received: Customer noticed problem* *Special Remarks or requirements: Rebuilt and Option 010 added.* So I'm not sure what "rebuilt" was, but clearly there is an issue here. Thank you dhamilton with your coments about the pin depth. I will try to ascertain who is going to fix this, and how competent they are. Can the pin depth be measured with a connector gage, or on this test port, would something else be needed? There are in fact a couple of marks on the thread, but the one shown is the most serious one. Does anyone know the type of that thread? Potentially running a die down it might solve it, but I'll speak to the dealer about that. One of the problems of buying big expensive items from the other side of the pond is when problems do occur. But this was about 55% of the cost I could buy one from the UK. The savings were very substantial. This could get quite complicated due to customs charges. Dave |
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脑洞大赛9 发表于 2019-6-12 13:34 > {quote:title = Dr_joel写道:} {quote}>但是,外部线程仅在连接到NMD类型电缆时使用。 您可以将内螺纹与任何SMA或3.5 mm母连接器一起使用,这样该单元仍然可以使用。 你也可以尝试修复螺纹,也许是通过磨掉(dremel工具)毛刺。 在这种情况下不需要连续的线程。 如果您尝试这样做以避免在物体中磨损金属,我将覆盖仪器的其余部分并覆盖测试端口。 以防万一其他人遇到这个问题,这就是我的情况下如何解决它。 就像Joel,我的一个学校朋友,他比我有更好的机械技能和视力,认为这个线程可以修复。 我的朋友并不喜欢使用Dremel,因为他感觉到一个小滑,线程会被破坏。 但是用针头文件花了大约5分钟,现在测试端口电缆就可以了。 美国经销商确实提出要在保修期内进行维修,但我希望我支付运费到美国,我反对,因为它发送给我时有错误。 然后他给我发了一个二手测试端口,并打算在英国安排维修。 但是我的朋友认为除安捷伦以外的任何人“修理”这样做的可能性都大于弊大于利。 无论如何,问题现在已经解决了,从eBay购买一套Needle文件(大约5英镑~8美元)和朋友的一些帮助! 戴夫 以上来自于谷歌翻译 以下为原文 > {quote:title=Dr_joel wrote:}{quote} > however, the outter thread is only used when connecting to NMD type cables. You can use the inner thread with any SMA or 3.5 mm female connector, so that unit could still be usable. You coul also try to repair the thread, perhaps by griding off (dremel tool) the burr. continous thread is not need in this case. I'd cover the rest of the instrument and tape over the test port if you try this to avoid getting ground up metal in things. Just in case anyone else runs into this problem, here's how it was solved in my case. Like Joel, a friend of mine from school, who has better mechanial skills and eyesight than me, thought this thread could be repaired. My friend did not fancy using a Dremel, as he felt one tiny slip and the thread would be ruined. But it took him about 5 minutes with a needle file, and now the test port cable fits ok. The US dealer did offer to get this repaired under warranty, but expected me to pay the shipping costs back to the USA, which I objected to, since it had the fault when sent to me. He then sent me a used test port, and was going to try to arrange repair in the UK. But my friend felt that there was a high probability that anyone other than Agilent "repairing" this would do more harm than good. Anyway, the problem is now solved, with the purchase of a set of Needle files from eBay (around £5 ~ $8) and a bit of help from a friend! Dave |
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我发了照片给安捷伦,今天接到了电话。
显然它需要这个:http://www.home.agilent.com/myagilent/faces/partDetail.jspx?_afrWindowId = null& _afrLoop = 55335924775000& imageStatus = YES& partNumber = 5086-7968& _afrWindowMode = 0& _adf.ctrl -state = du1te0hok_13#%40%3F_afrWindowId%3Dnull%26_afrLoop%3D55335924775000%26imageStatus%3DYES%26partNumber%3D5086-7968%26_afrWindowMode%3D0%26_adf.ctrl-state%3D11mm7o16c1_4这是2169英镑(~3400美元)的总和 旧物品的折扣,加上人工加校准。 嗯,这看起来很贵。 戴夫 以上来自于谷歌翻译 以下为原文 I sent pictures to Agilent and got a phone call today. Apparently it needs this: http://www.home.agilent.com/myagilent/faces/partDetail.jspx?_afrWindowId=null&_afrLoop=55335924775000&imageStatus=YES&partNumber=5086-7968&_afrWindowMode=0&_adf.ctrl-state=du1te0hok_13#%40%3F_afrWindowId%3Dnull%26_afrLoop%3D55335924775000%26imageStatus%3DYES%26partNumber%3D5086-7968%26_afrWindowMode%3D0%26_adf.ctrl-state%3D11mm7o16c1_4 which is the grand sum of £2169 (~ $3400) after a rebate on the old item, plus labor plus calibration. Em, this is looking expensive. Dave |
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60user7 发表于 2019-6-12 14:17 Dave,这是安捷伦对耦合器的最低级别部件支持。 您是否与供应商核实过他们是否会承保保修期内的损坏? 我们以829美元替换并完全测试耦合器,我们只需要端口耦合器。 这是为了防止供应商对您没有帮助。 他们应该在连接器上装有ESD盖板,以降低物理损坏的可能性并保护输入电路免受ESD影响。 以上来自于谷歌翻译 以下为原文 Dave, That is Agilent's minimum level part support for the coupler. Did you check with your vendor to see that they will cover the damage under warranty? We replace and full test the coupler for $829 USD, we would only need the port coupler. This is just in case the vendor doesn't help you. They should have shipped the unit with ESD covers on the connectors to reduce and physical damage probability and protect the input circuitry from ESD. |
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60user7 发表于 2019-6-12 14:17 我相信这是您需要的部件号5062-1245并查看此pdf ..它解释了如何将端口放在一起。 http://cp.literature.agilent.com/litweb/pdf/08514-90014.pdf 以上来自于谷歌翻译 以下为原文 I believe this is the part number you need 5062-1245 and look at this pdf.. it explains how the port is put together. http://cp.literature.agilent.com/litweb/pdf/08514-90014.pdf |
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